CREPHA Formia Digital Solar Dual Water Resistant Urethane Watch, Radio-Controlled Powered, Power, Multifunctional, (5 ATM), Strap, Men's, Silver,

Case size: (approx.) Diameter 45.5 x Thickness 17.5 mm Weight: (approx.) 52g Power source: Automatic switching between solar power and lithium battery power. Water Resistance/Functions: Enhanced water resistance for daily use (5 ATM water resistance), Radio-controlled clock (compatible with both stations), Radio wave reception function (3 times a day around 12:00 AM, 4:00 AM, and 6:00 PM), Time display (hours, minutes, seconds), 12/24 hour display switching, Calendar display (year, month, day, day of the week), Stopwatch (maximum measurement time: 23 hours 59 minutes 59.99 seconds), Alarm (ON/OFF setting possible), Hourly time signal (ON/OFF setting possible), Countdown timer (setting range: 1 second to 23 hours 59 minutes), Second time zone (another time zone can be set in addition to the normal time), EL light Warranty period: 1 year